Advanced Pathophysiology HESI RN Exam 2 Update Questions and Answers

Advanced Pathophysiology HESI RN Exam 2 ( Update ) Questions and Answers

1. If a tissue specimen of myocardial cells were obtained for examination
from Mr. Forbes, which of the following findings would indicate irreversible
cell injury?
a. cellularswelling
b. decreased ATP production
c. decreased intracellular calcium
d. dissolution of nuclear material:
Answer:
D
2. The accumulation of lactic acid that occurs with impaired energy production
results from which of the following?
a. increased intracellular glucose
b. increased anaerobic metabolism
c. decreased metabolic rate
d. increased oxidative phosphorylation:
Answer:
B
3. A mountain climber is stranded at 23,000 feet in the Swiss Alps and has
lost all his equipment and supplies in an avalanche. Subsequently, he suffers cell
injury due to impaired ATP production. The reason for the decrease in
ATP is which of the following?
a. enzyme inhibition
b. uncoupling
c. hypoxia
d. none of the above:
Answer:
C
4. An elderly patient develops an obstruction in his left middle cerebral
artery. The brain tissue supplied by this artery becomes hypoxic. The best
explanation for this is which of the following?
a. the obstruction results in decreased blood flow
b. the obstruction results in decreased hemoglobin in the blood
c. while blood flow stays the same, the obstruction reduces oxygen content
in the blood
d. none of the above explain the reason for the hypoxia: